Roof Joist Connection Detail

Minimum connection of brace to a roof rafter and ceiling joist with four no 10 screws at each end.

Roof joist connection detail.

This detail is used when masonry continues above either as part of the wall or as a parapet the connection location and eccentricity is to be minimized. Details for conventional wood frame construction. The drawings will help you gain a better understanding of engineered ceiling grid design but they are not intended for construction purposes because. The tables below contain downloadable standard design detail drawings for typical unistrut ceiling grid applications.

Connection for roof rafters framed at angles. Joist hangers can hang rafters from a ledger but for sloping rafters notch them or use special rafter hangers. However since there is some load transfer with these members the code requires a nominal 2 thickness and bracing to a load bearing partition at the upper end or to be designed as a beam with proper supports. Pocket connection a pocket connection consists of framing the floor or roof system into a void in the masonry wall.

Maximum 6 inches 152 mm between brace ceiling. Steel bar joist roof ledger connection. The ceiling joists restrain the exterior walls from being. Metal framing connectors make the best connections.

Provide a lightweight low cost rigid floor assembly c joist components provide an economical lightweight alternative to open web trusses bar joists engineered lumber cast in place or hollow core floor assemblies. Los angeles residential code 8 roof ceiling construction r804 cold formed steel roof framing r804 3 roof construction r804 3 2 roof rafters r804 3 2 2 roof rafter support brace. Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections. Nl8 non load bearing wall parallel to joist roofs rafters joists.

Drawings below are generic details to show design intent only. Structural track usually in the same gauge as the. Steel bar joist roof direct bearing connection. If rafters will sit on top of a ledger attach them with seismic anchors as you would attach rafters to a beam.

However other materials may be used in conjunction with the concrete masonry. A few currently available roof systems use concrete masonry while some rely on precast concrete joists or steel bar joists. Hand driven and pneumatic fasteners were included in the test program. Depending on loads and spans c joists are typically spaced at 12 16 19 2 or 24 on center spacing.

R1 roof framing r2 joist and rafter detail r3 roof framing isometric view r4 heel joint connection detail r5 ridge member connection detail r6 ridge member with coped rafters r7 roof eave and soffit detail r8 rafter and joist bridging.